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ISO 11943:2021

Hydraulic fluid power — Online automatic particle-counting systems for liquids — Methods of calibration and validation

Standard Details

This document establishes methods for:

—   validating equipment used to prepare secondary calibration suspensions for automatic particle counters;

—    performing online secondary calibration of automatic particle counters;

—    matching two or more online particle counters, i.e. to count the same number of particles at a given size by two APCs associated online;

—    validating online particle counting systems with and without online dilution as used, for example, to measure the filtration efficiency of a hydraulic filter as described in the multi-pass filter test in ISO 16889.

General Information

Status : Published
Standard Type: Main
Document No: ISO 11943:2021
Document Year: 2021
Pages: 29
Edition: 3
  • ICS:
  • 23.100.60 Filters, seals and contamination of fluids

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ISO 11943:2021
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